Abstract
We studied the effects of two levels of barley in the finishing period on the carcass characteristics of 129 Holstein bulls reared on different feeding systems. Greater fat thickness (P < 0.05) was associated with higher barley levels in the finishing period. Animals fed barley ad libitum produced a greater proportion of grade A1 and B1 carcasses compared to animals fed only 5 kg of barley (28.0 and 48.0% vs. 12.0 and 37.0%, respectively, P < 0.05). Key words: Carcass, Holstein bulls, energy levels, barley, management
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